diff --git a/fortran/Makefile b/fortran/Makefile
index 06bdfd5..e78f305 100644
--- a/fortran/Makefile
+++ b/fortran/Makefile
@@ -19,7 +19,7 @@ OPS=-c $(DIALECT) $(WARN) $(DEBUG)
 all : trimspNL
 
 trimspNL : trimspNL.F
-	$(FC) -o $@ $< 
+	$(FC) -O3 -o $@ $< 
 
 clean:
 	rm -f *.o *~ \#* .#* trimspNL
diff --git a/trimspNL b/trimspNL-static
similarity index 100%
rename from trimspNL
rename to trimspNL-static